| 发明名称 |
REMOVAL OF FORMALDEHYDE FROM AQUEOUS SOLUTIONS OF 2-BUTYNE-1,4-DIOL |
| 摘要 |
Process for the removal of formaldehyde from aqueous solutions of 2-butyne-1,4-diol by adding methanol and an acidic agent to the aqueous butynediol solution and distilling off formaldehyde dimethylacetal from the mixture at elevated temperatures. |
| 申请公布号 |
CA1322378(C) |
申请公布日期 |
1993.09.21 |
| 申请号 |
CA19880577798 |
申请日期 |
1988.09.19 |
| 申请人 |
MERGER, FRANZ |
发明人 |
MERGER, FRANZ;HORLER, HANS |
| 分类号 |
B01J39/08;B01J39/04;C07C27/00;C07C29/88;C07C33/046;C07C67/00 |
主分类号 |
B01J39/08 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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